package cn.tedu.jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

/**
 * 库名：tedu
 * 表名：
 * 目标：
 */
public class JDBCDemo1 {
    public static void main(String[] args) throws ClassNotFoundException, SQLException {
        //加载数据库驱动
        Class.forName("com.mysql.cj.jdbc.Driver");
        //创建数据库连接对象:  .var + 回车
        Connection connection = DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                //                                ^库名
                "root",
                "871762599"
        );
        //创建SQL语句执行对象
        Statement statement = connection.createStatement();
        Scanner scan = new Scanner(System.in);
        System.out.println("用户名：");
        String userName = scan.nextLine();
        System.out.println("密码：");
        String passWord = scan.nextLine();
        System.out.println("昵称：");
        String nickName = scan.nextLine();
        System.out.println("年龄：");
        Integer age = scan.nextInt();
        //字符串拼接方式执行SQL,"+变量名+",将变量的值嵌入到SQL语句中
        //执行SQL语句
        String sql = "INSERT INTO userinfo(username,password,nickname,age)" +
                "VALUES('"+userName+"','"+passWord+"','"+nickName+"',"+age+")";
        int i = statement.executeUpdate(sql);
        //断开数据库连接
        connection.close();

    }
}
